JSS20-48AMS LED Programmable Digital Time Relay & Socket Base
JSS20-48AMS LED Programmable Digital Time Relay & Socket Base
JSS20-48AMS LED Programmable Digital Time Relay with Socket Base
Take precise control of your automation systems with the JSS20-48AMS LED Programmable Digital Time Relay. Featuring a bright LED digital tube display and advanced large-scale integration technology, this delay timer offers a wide timing range (0.01 seconds to 999 hours), high precision, and low power consumption — making it the ideal choice for industrial and general-purpose automatic control applications.
Built with a durable plastic and metal housing, this time relay is compact, reliable, and designed for long service life. The intuitive digital display makes setting and reading preset delay values quick and easy, even in demanding environments.
Key Specifications
- Model: JSS20-48AMS
- Supply Voltage (AC): 24V, 36V, 110V, 220V, 380V (85–110% rated voltage)
- Supply Voltage (DC): 24V
- Timing Range: 0.01 seconds to 999 hours
- Delay Control Accuracy: ≤0.3% / 0.05s
- Contact Capacity: 5A DC30V / 5A AC220V (resistive load)
- Power Consumption: ≤5W
- Ambient Temperature: -10°C to +50°C
- Altitude: Below 2,000 m
- Dimensions: 11 × 5 × 5 cm
- Material: Plastic / Metal
- Certification: CE
- Made in China
Key Features
- Wide Timing Range: 0.01 seconds up to 999 hours for ultimate scheduling flexibility
- High Precision: Delay accuracy ≤0.3%, minimizing timing errors in critical control circuits
- LED Digital Display: Clear, easy-to-read display for simple preset configuration
- Multi-Voltage Compatibility: Works with AC 24V–380V and DC 24V systems
- Socket Base Included: Easy plug-in installation, no complex wiring required
- Reset Function: Connect terminals 1 and 3 at any time to instantly restore contacts to their original position; timing restarts from zero upon disconnection
- Pause Capability: Supports pause and reset wiring using shielded cable for added control
- Suitable for High-Current Applications: Use with an AC contactor when driving larger loads
How to Use
- Set your desired preset delay value on the LED display.
- Once the preset is configured, attach the protective cover.
- Apply power — the timer begins counting from the preset value.
- For reset: connect terminals 1 and 3; disconnect to restart from zero.
- Use shielded cable for pause and reset terminal wiring.
- For high-current loads, pair with an appropriate AC contactor.
What's in the Box
- 1 × JSS20-48AMS Digital Time Relay with Socket Base
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Frequently Asked Questions
Q: What voltage options does the JSS20-48AMS time relay support?
A: The JSS20-48AMS supports AC voltages of 24V, 36V, 110V, 220V, and 380V, as well as DC 24V. It operates reliably within 85–110% of the rated voltage, making it compatible with a wide range of industrial and general-purpose control systems.
Q: What is the timing range and accuracy of this digital time relay?
A: The relay offers a timing range from 0.01 seconds to 999 hours, with a delay control accuracy of ≤0.3% / 0.05s. This high-precision performance ensures reliable and repeatable timing for automated control applications.
Q: Does the JSS20-48AMS time relay include a socket base?
A: Yes, the relay comes with a socket base for straightforward plug-in installation, simplifying wiring and reducing setup time in control panel applications.
Q: Can the timer handle high-current loads directly?
A: The contact capacity is rated at 5A DC30V / 5A AC220V (resistive load). For driving larger currents, it is recommended to pair the relay with an appropriate AC contactor to protect both the relay and the load.